AS200858 - RACKONE Rackone SrlPARFC 4890 ✓RPKI ✓ 1/1ASPA -

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AS overview

Test target: 2a06:de40::1 · static prefix probe · address space: PA · prefixes announced: 1

prefix(es): 2a06:de40::/29

Targets & per-vantage-point probe results (1 target(s) across 3 vantage point(s))

Source codes (hover any badge for full description): CUR=curated · NS/SOA/MX=DNS records · SPF=SPF TXT · DRV=holder-derived (www, ns1, mail, gw, …) · ATL=RIPE Atlas · PDB=PeeringDB · WHOIS=RIPE whois · RDAP=RIPE RDAP · HIT=IPv6 Hitlist · RTR=in-prefix path hop (router) · PRB=static prefix probe · SYN=synthetic prefix::1 fallback

Target IP / hostnameSourceNL host (go6lab)ITA host (Karsolink)SLO host (6connect)
ping1500B:80:443reachedping1500B:80:443reachedping1500B:80:443reached
2a06:de40::1prb??refusedrefusedrefusedrefused

RPKI & ASPA

1 of 1 prefix(es) covered by a valid ROA.

PrefixRPKI stateReasonCovering VRP(s)
2a06:de40::/29✓ validmatched VRP (correct origin, length within maxLength)AS200858 /29 maxLen 29 (ripe)

Random-IP probe (yarrp) into the AS' prefixes

At least one router inside AS200858's announced prefix replied during the random-target probe. Hop(s): 2a06:de40::a. These are candidate targets for direct testing.

ICMPv6 Type 2 (Packet Too Big) acceptance - active test

Type 2 honored. Forged ICMPv6 PTB (MTU=1280) was accepted by the destination's stack: the next 1500-byte Echo Reply arrived split into 2 fragments via the IPv6 Fragment Header.
method: ICMPv6 Echo + forged PTB, tested 2026-05-30T12:45:56Z

From NL host (go6lab)   openRFC 4890 ✓

filter likely at: (none) · min PMTU on path: 1500

4/4
Echo small (56B) 37.5ms
4/4
Echo 1500B (DF) 37.7ms
yes
Type 1 dest-unreach
-
TCP responds on

Path (traceroute + mtr + PTR)

#IP / PTRRTTmtr lossASAS holder
12a00:8642:42::31.3ms0%AS203993STEFFANN-DC-AS - S.J.M. Steffann, NL
2gw.friends.steffann.nl
2a00:8642:1000:f000::1
2.5ms0%*AS203993STEFFANN-DC-AS - S.J.M. Steffann, NL
32a00:1ca8:1::1942.1ms20%AS50673Serverius-as - Serverius Holding B.V., NL
42a03:3f40::10:334.8ms0%AS50673Serverius-as - Serverius Holding B.V., NL
52001:7f8:1::a501:2874:121.0ms0%-NA
62001:b00:1:1:3::13921.2ms0%AS12874FASTWEB - Fastweb SpA, IT
72001:b00:1:1:1::1c321.9ms0%AS12874FASTWEB - Fastweb SpA, IT
82001:b01:2400:ce::121.9ms0%AS12874FASTWEB - Fastweb SpA, IT
92001:b01:2400:ce::221.6ms0%AS12874FASTWEB - Fastweb SpA, IT
10unassigned.invalid
2a06:de40::a
28.7ms0%AS200858RACKONE - Rackone Srl, IT
11unassigned.invalid
2a06:de40::1
38.7ms0%AS200858RACKONE - Rackone Srl, IT

Rate-limited ICMPv6: hop 3 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).

tracepath -6

 1?: [LOCALHOST]                        0.049ms pmtu 1500
 1:  2a00:8642:42::3                                       2.007ms 
 1:  2a00:8642:42::3                                       1.730ms 
 2:  gw.friends.steffann.nl                                2.212ms 
 3:  2a00:1ca8:1::194                                      2.867ms 
 4:  2a03:3f40::10:33                                      5.907ms 
 5:  no reply
 6:  2001:b00:1:1:3::139                                  21.278ms 
 7:  no reply
 8:  2001:b01:2400:ce::1                                  21.695ms 
 9:  2001:b01:2400:ce::2                                  22.197ms 
10:  unassigned.invalid                                   28.373ms 
11:  unassigned.invalid                                   38.425ms reached
     Resume: pmtu 1500 hops 11 back 16 

From ITA host (Karsolink)   openRFC 4890 ✓

filter likely at: (none) · min PMTU on path: 1500

4/4
Echo small (56B) 15.8ms
4/4
Echo 1500B (DF) 15.8ms
yes
Type 1 dest-unreach
443,80
TCP responds on

Path (traceroute + mtr + PTR)

#IP / PTRRTTmtr lossASAS holder
1*-0%*-
2*-0%*-
32a12:d8c0:101f:6::110.1ms70%AS204471KARSOLINK - 2S Computers SRL, IT
4*-20%-
52001:b00:1:1:1::1a79.7ms0%AS12874FASTWEB - Fastweb SpA, IT
62001:b00:1:1:1::1c510.2ms0%AS12874FASTWEB - Fastweb SpA, IT
72001:b01:2400:ce::19.6ms0%AS12874FASTWEB - Fastweb SpA, IT
82001:b01:2400:ce::29.9ms0%AS12874FASTWEB - Fastweb SpA, IT
9unassigned.invalid
2a06:de40::a
16.8ms0%AS200858RACKONE - Rackone Srl, IT
10unassigned.invalid
2a06:de40::1
15.8ms0%AS200858RACKONE - Rackone Srl, IT

Rate-limited ICMPv6: hop 3, hop 4 (loss between 5% and 95% across mtr cycles - the router replies but only sometimes).

tracepath -6

 1?: [LOCALHOST]                        0.030ms pmtu 1500
 1:  karsolink-01.net.karsolink.com                        0.754ms 
 2:  2a12:d8c0:109f:121::a1                                1.019ms 
 3:  no reply
 4:  fastweb.minap.it                                    190.496ms 
 5:  2001:b00:1:1:1::1a9                                  10.003ms 
 6:  2001:b00:1:1:1::1c3                                  10.961ms 
 7:  2001:b01:2400:ce::1                                  10.132ms 
 8:  2001:b01:2400:ce::2                                  10.327ms 
 9:  unassigned.invalid                                   17.212ms 
10:  unassigned.invalid                                   16.189ms reached
     Resume: pmtu 1500 hops 10 back 5 

From SLO host (6connect)   openRFC 4890 ✓

filter likely at: (none) · min PMTU on path: 1500

4/4
Echo small (56B) 14.4ms
4/4
Echo 1500B (DF) 14.5ms
yes
Type 1 dest-unreach
443,80
TCP responds on

Path (traceroute + mtr + PTR)

#IP / PTRRTTmtr lossASAS holder
1fw1-lju.6connect.com
2607:fae0:a000::2
0.3ms0%*AS80386CONNECT - 6connect, Inc., US
2ccr-to-fw-ccr1-gw-lju.6connect.com
2607:fae0:a000:2::2
0.5ms0%*AS80386CONNECT - 6connect, Inc., US
32a00:ee1:800:9::12.3ms0%AS5603SIOL-NET - Telekom Slovenije, d.d., SI
42a00:ee0:1:10::21.2ms0%AS5603SIOL-NET - Telekom Slovenije, d.d., SI
52001:41a8:20:2::1699.2ms0%AS6762SEABONE-NET - TELECOM ITALIA SPARKLE S.p.A., IT
62001:41a8:20:2::50e10.8ms0%AS6762SEABONE-NET - TELECOM ITALIA SPARKLE S.p.A., IT
72a02:7d8::110.8ms0%AS3302AS-RETELIT-IRIDEOS - Retelit Digital Services S.p.A., IT
8unassigned.invalid
2a06:de40::1
14.4ms0%AS200858RACKONE - Rackone Srl, IT

tracepath -6

 1?: [LOCALHOST]                        0.029ms pmtu 1500
 1:  fw1-lju.6connect.com                                  0.568ms 
 1:  fw1-lju.6connect.com                                  0.466ms 
 2:  ccr-to-fw-ccr1-gw-lju.6connect.com                    0.655ms 
 3:  2a00:ee1:800:9::1                                     2.016ms 
 4:  2a00:ee0:1:10::2                                      1.143ms asymm  3 
 5:  2001:41a8:20:2::169                                  27.661ms asymm  6 
 6:  2001:41a8:20:2::50e                                  10.939ms asymm  8 
 7:  2a02:7d8::1                                          10.703ms asymm  9 
 8:  unassigned.invalid                                   14.573ms reached
     Resume: pmtu 1500 hops 8 back 9